Rollup of 6 pull requests#63328

Merged

bors merged 17 commits intorust-lang:masterfrom

Centril:rollup-482ujaf

Aug 6, 2019

Commits on Jul 20, 2019

Commits on Jul 29, 2019

Use internal iteration in the Sum and Product impls of Result and Option
timvermeulen
committed

Commits on Jul 31, 2019

Deduplicate rustc_demangle in librustc_codegen_llvm
alexcrichton
committed

Commits on Aug 6, 2019

be clear that 1-init Vec being valid (but not safe) is not a stable guarantee
RalfJung
committed
clarify
RalfJung
committed
Rollup merge of #62459 - timvermeulen:result_sum_internal_iteration, r=scottmcm
Centril
authored
Rollup merge of #62821 - GuillaumeGomez:not-listed-methods, r=Mark-Simulacrum
Centril
authored
Rollup merge of #62837 - Kinrany:patch-1, r=GuillaumeGomez
Centril
authored
Rollup merge of #63286 - Mark-Simulacrum:resolve-no-cb, r=petrochenkov
Centril
authored
Rollup merge of #63296 - alexcrichton:deduplicate-demangle, r=Mark-Simulacrum
Centril
authored
Rollup merge of #63298 - RalfJung:assume_init, r=Mark-Simulacrum,Centril
Centril
authored